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Open AccessArticle

Effect of Botulinum Toxin A on Scar Healing after Thyroidectomy: A Prospective Double-blind Randomized Controlled Trial

1
Department of Surgery, Haeundae Paik Hospital, Inje University College of Medicine, Busan 48108, Korea
2
Department of Dermatology, CNP Skin Laser Clinic, Seoul 06267, Korea
3
Department of Otolaryngology-Head and Neck Surgery, Haeundae Paik Hospital, Inje University College of Medicine, Busan 48108, Korea
4
Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul 03312, Korea
*
Author to whom correspondence should be addressed.
These authors were contributed equally in this article, so they should be considered as co-first-authors.
J. Clin. Med. 2020, 9(3), 868; https://doi.org/10.3390/jcm9030868
Received: 10 March 2020 / Accepted: 18 March 2020 / Published: 21 March 2020
(This article belongs to the Section Endocrinology & Metabolism)
The persistence of neck scarring is a common concern among patients undergoing thyroidectomy. Botulinum toxin A (BTA (Botox)) has been shown to suppress scar enlargement at the incision site. The objective of this study was to evaluate the effect of intraoperative Botox administration on neck scarring after thyroidectomy. A prospective double-blind randomized clinical trial was performed in patients undergoing conventional thyroidectomy. Forty patients were randomly allocated to a Botox or a control group (both, n = 20). The wound was closed after injection into the platysma muscle of 50 U of Botox diluted in 1 mL of normal saline or 1 mL of saline alone. Skin scars were assessed using the modified Stony Brook Scar Evaluation Scale (SBSES) and Manchester Scar Scale (MSS) at 1, 12, and 24 weeks postoperatively. The SBSES and MSS scores of the Botox group were significantly better than those of the control group (p = 0.034 and p = 0.039). At 24 weeks postoperatively, the SBSES and MSS scores were significantly better in the Botox group (p = 0.006 and p = 0.030). BTA injected into the incision site can suppress postoperative scar formation and thereby improve the cosmetic outcome. View Full-Text
Keywords: botulinum toxin type A; wound healing; hypertrophic scar; Thyroid; Thyroidectomy botulinum toxin type A; wound healing; hypertrophic scar; Thyroid; Thyroidectomy
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Bae, D.S.; Koo, D.H.; Kim, J.E.; Cho, J.-M.; Park, J.-O. Effect of Botulinum Toxin A on Scar Healing after Thyroidectomy: A Prospective Double-blind Randomized Controlled Trial. J. Clin. Med. 2020, 9, 868.

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